A365275 - OEIS

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A365275 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	1
8	2
9	2
10	3
11	3
12	3
13	4
14	4
15	4
16	4
17	4
18	5
19	5
20	6
21	6
22	6
23	6
24	6
25	7
26	8
27	8
28	8
29	9
30	9
31	9
32	9
33	9
34	10
35	10
36	10
37	10
38	10
39	10
40	11
41	12
42	12
43	12
44	12
45	13
46	13
47	13
48	13
49	13
50	14
51	14
52	14
53	15
54	15
55	15
56	15
57	15
58	16
59	16
60	16
61	17
62	17
63	17
64	17
65	18
66	18
67	18
68	19
69	19
70	19
71	19
72	19
73	20
74	21
75	21
76	21
77	21
78	21
79	21
80	21

[0,0,0,0,1,1,1,2,2,3,3,3,4,4,4,4,4,5,5,6,6,6,6,6, 7,8,8,8,9,9,9,9,9,10,10,10,10,10,10,11,12,12,12, 12,13,13,13,13,13,14,14,14,15,15,15,15,15,16,16, 16,17,17,17,17,18,18,18,19,19,19,19,19,20,21,21, 21,21,21,21,21]

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	1
8	2
9	2
10	3
11	3
12	3
13	4
14	4
15	4
16	4
17	4
18	5
19	5
20	6
21	6
22	6
23	6
24	6
25	7
26	8
27	8
28	8
29	9
30	9
31	9
32	9
33	9
34	10
35	10
36	10
37	10
38	10
39	10
40	11
41	12
42	12
43	12
44	12
45	13
46	13
47	13
48	13
49	13
50	14
51	14
52	14
53	15
54	15
55	15
56	15
57	15
58	16
59	16
60	16
61	17
62	17
63	17
64	17
65	18
66	18
67	18
68	19
69	19
70	19
71	19
72	19
73	20
74	21
75	21
76	21
77	21
78	21
79	21
80	21

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	1
8	2
9	2
10	3
11	3
12	3
13	4
14	4
15	4
16	4
17	4
18	5
19	5
20	6
21	6
22	6
23	6
24	6
25	7
26	8
27	8
28	8
29	9
30	9
31	9
32	9
33	9
34	10
35	10
36	10
37	10
38	10
39	10
40	11
41	12
42	12
43	12
44	12
45	13
46	13
47	13
48	13
49	13
50	14
51	14
52	14
53	15
54	15
55	15
56	15
57	15
58	16
59	16
60	16
61	17
62	17
63	17
64	17
65	18
66	18
67	18
68	19
69	19
70	19
71	19
72	19
73	20
74	21
75	21
76	21
77	21
78	21
79	21
80	21

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	1
8	2
9	2
10	3
11	3
12	3
13	4
14	4
15	4
16	4
17	4
18	5
19	5
20	6
21	6
22	6
23	6
24	6
25	7
26	8
27	8
28	8
29	9
30	9
31	9
32	9
33	9
34	10
35	10
36	10
37	10
38	10
39	10
40	11
41	12
42	12
43	12
44	12
45	13
46	13
47	13
48	13
49	13
50	14
51	14
52	14
53	15
54	15
55	15
56	15
57	15
58	16
59	16
60	16
61	17
62	17
63	17
64	17
65	18
66	18
67	18
68	19
69	19
70	19
71	19
72	19
73	20
74	21
75	21
76	21
77	21
78	21
79	21
80	21